For the fourth consecutive year, a team of students from Thomas Jefferson High School for Science and Technology won the National Science Bowl championship.

The team's correct identification of the Incompleteness Theorem as the answer to a mathematics questions clinched the win and earned the school's team a research trip to Alaska, three computer-based laboratories and $1,000 for the school.

Team members from the school, in the Alexandria section of Fairfax, were Logan Kearsley, Matthew Isakowitz, Sam Lederer, Lisa Marrone and Charlotte Seid. The team was coached by Sharon Baker.

The science bowl is run by the U.S. Department of Energy.

Susan Horne, president and chief executive of Leadership Fairfax, has been honored with a distinguished leadership award from the Community Leadership Association, a Georgia-based nonprofit group that encourages local leadership.

Horne earned the accolade for exemplifying the spirit and goals of the national and local associations: to foster civic involvement to solve community problems and to promote positive change. Leadership Fairfax is a nonprofit community organization that identifies current and emerging leaders.

Reston Interfaith and the Greater Reston Chamber of Commerce recently named their annual Best of Reston award winners.

This year's winners include:

* Jack and Laurie Corkey, owners of Great Harvest Bread Co. stores in Herndon and Vienna, for their efforts to help the hungry and elderly. The Corkeys are active in the Meals on Wheels program, Habitat for Humanity and the Embry Rucker Community Shelter for the homeless, in Reston.

* Dee Cotton, a Reston resident for more than 30 years, for her work as president of Useful Services Exchange, a community barter group. Cotton has been an advocate for senior citizens as founder of the Reston AARP chapter and as a member of the Fairfax Area Agency on Aging.

* Nancy Davis, a founding board member and past chairman of the Reston Community Center, who has also served the town as a member of the Reston Garden club and has helped to plan town beautification projects.

* The Equity Office at Reston Town Center, for its efforts to help local and regional nonprofit groups coordinate events at the town center to raise money -- nearly $1.3 million last year -- for charitable causes.

* Kids R First, founded in 1998 by a group of retired teachers. It was recognized as an all-volunteer organization that provides school supplies to low-income children. The group has provided supplies for 36,500 children in 58 schools in its seven-year existence.

* Claudia Thompson-Deahl, natural resources manager for the Reston Association, the homeowner organization, for 22 years of service to the town. During that time, Reston became only the third U.S. community to be designated a community wildlife habitat by the National Wildlife Federation.

Fairfax author Jack French's book "Private Eye-Lashes: Radio's Lady Detectives," has been named the 2005 Agatha Award winner for best nonfiction book.

"Private Eye-Lashes" explores the history of network radio shows that featured female crime solvers as major characters. The Agatha awards are named for author Agatha Christie and are selected by the attendees of Malice Domestic, the largest annual mystery convention on the East Coast.

Teams of students from Haycock Elementary School in the Falls Church area, Longfellow Middle School in the Falls Church area and Thomas Jefferson High School for Science and Technology in the Alexandria area were first-place winners in the sixth-, seventh- and eighth-grade, and high school divisions of the recent Virginia Math League competition.

The Haycock team's first-place finish came in a statewide field of 112 sixth-grade teams. Haycock's Rachel Marzen had the top individual score in the division.

Longfellow Middle School's seventh-grade team beat out 87 other teams. Luke Cheng and Carter Lockwood of Longfellow tied for the highest score in the division, in a tie with Brian Hamrick of Frost Middle School of Fairfax. Frost's team took second place in the division.

Longfellow's eighth-grade team was first out of 78 in its division. Longfellow students Eric Bomgardner and William Pitler tied for the top individual score in their division.

Two Thomas Jefferson students, Jesse Geneson and Thomas Mildorf, tied for first place in the individual category while leading their team to victory. There were 91 high school teams in the division this year.

Janet Kim, a graduating senior at Thomas Jefferson High School for Science and Technology in the Alexandria area, has been named a Presidential Scholar in the Arts for nonfiction writing.

Kim was the editor-in-chief of the school's literary magazine, captain of the debate team, a member of the model United Nations and a biology tutor. She plans to attend Stanford University in the fall.

Three students from Fairfax County public schools recently won top prizes in their categories at the Intel International Science and Engineering Fair.

* Nicholas Jachowski, a senior at West Potomac High School, won a best-of-category award in earth science for a project detailing the response of oxygen-producing phytoplankton to nutrient-enriched deep sea water. Jachowski won $8,000 in prize money overall for awards connected with the project.

* Stephen Honan, a sophomore at Woodson High School, won a best-of-category award for a project involving the study of a species of fern that can absorb arsenic from tainted drinking water. He also took home $8,000 in prizes.

* Benjamin Schwank, a junior at Madison High School, won scholarship offers from three universities valued at more than $47,000 overall, in addition to the $8,000 in prize money, for his best-of-category project in microbiology. Schwank identified sections of viral genomes that are mostly likely to cause their viruses to mutate into new strains, knowledge that could give vaccine providers more time to develop supplies.

Air Force Maj. Stephon James Tonko of Vienna has been awarded an Arthur S. Flemming Award for distinguished service to the federal government.

Tonko, 37, was honored for his counterterrorism efforts. He provides acquisition support to the undersecretary of the Air Force for the $74.4 billion national security space program budget. According to the award citation, Tonko played a critical role in response to the Sept. 11 terrorist attacks. As program manager, he directed a select team of engineers and operators that has provided key combat support, saving the government time and millions of dollars.

Flemming dedicated his career to government service and to higher education. He received a Medal of Freedom from President Clinton in 1994.

Priya Krishnan, a fifth-grader at Churchill Road Elementary School in McLean, recently won first place in the all-around part of the age 11 Virginia USA Gymnastics championships.

Krishnan also took first in the floor exercise and vault events and second in the uneven bars.

-- Compiled by C. WOODROW IRVIN and STEPHEN C. FEHR

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Logan Kearsley, left, Charlotte Seid, Sam Lederer and Lisa Marrone, from Thomas Jefferson High School for Science and Technology, were part of the winning National Science Bowl team this year.